A turbine engine includes a compressor section including a compressor, the compressor including an axial compressor stage, a variable outlet guide vane, and a centrifugal compressor stage, the variable outlet guide vane positioned between the axial compressor stage and the centrifugal compressor stage; a bleed assembly including a bleed airflow duct in airflow communication with the compressor and a bleed valve operable with the bleed airflow duct, the bleed valve including a bleed valve actuator; and a linkage assembly coupling the bleed valve actuator with the variable outlet guide vane such that that variable outlet guide vane is moveable with the bleed valve.

A louvre assembly (400) for a gas turbine engine bleed system comprises: an air discharge opening (401); a first louvre (402) comprising a first plurality of slats (404) each pivotably mounted to rotate about a first direction (405); and a second louvre (406) comprising a second plurality of slats (408) each pivotably mounted to rotate about a second direction (409), wherein the first and second directions (405, 409) are angled relative to each other such that bleed air exiting through the air discharge opening (401) diverges away from a central axis (410) of the louvre assembly (400).

A variable diffuser comprises a passage, at least two vanes disposed within the passage, and at least two pennies. The passage is defined between opposing disk faces of a hub and a tip. Each of the vanes comprises a body having a leading edge and a trailing edge. The body extends between the hub face and the disk face. Each of the pennies is coupled to a respective vane body near an edge of the penny and an actuator. Rotation of at least one penny changes the orientation of the respective vane relative to the hub face.

A number of variations may include a product that may include a valve system having a first valve plate constructed and arranged to selectively open and close a blowdown passage, a second valve plate constructed and arranged to selectively open and close a scavenge passage, and wherein the first plate and second plate have a common axis of rotation.

An aeroderivative gas turbine including an air intake plenum; a compressor with a compressor air intake in fluid communication with the air intake plenum; a combustor; a high pressure turbine; a power turbine. A forced air-stream generator is arranged in fluid communication with the air intake plenum. A shutter arrangement is provided in a combustion-air flow path, arranged and controlled to close the combustion-air flow path for pressurizing said air intake plenum by means of the forced air-stream generator to a pressure sufficient to cause pressurized air to flow through the aeroderivative air turbine.

A system for directing the flow of a fluid which comprises a channel for containing the fluid; an articulating vane positioned within the channel for directing the flow of the fluid, the vane comprising a fixed segment rigidly connected to the channel and a first moveable segment operably connected to the fixed segment by a first hub, the first hub configured to allow relative articulation between the segments; an actuator member operably connected to the moveable segment to articulate the moveable segment about the first hub; and wherein the vane further comprises a second moveable segment operably connected to the vane by a second hub, wherein the actuator member articulates the first and second moveable segments by applying a single moment to the first hubs.

An aspect includes a dual valve system that includes a first valve body and a first valve disc operably disposed within the first valve body, where the first valve disc has a first disc geometry. The dual valve system also includes a second valve body and a second valve disc operably disposed within the second valve body, where the second valve disc has a second disc geometry. The dual valve system further includes a mechanical linkage operably coupled to the first valve disc and the second valve disc, where the second disc geometry differs from the first disc geometry such that opening of a first flow area between the first valve body and the first valve disc occurs prior to opening of a second flow area between the second valve body and the second valve disc responsive to movement of the mechanical linkage.

Embodiments relate to a turbine for an exhaust gas turbocharger, which has a turbine housing in which are provided a first and a second flow duct that each has an inlet region and an outlet region. A self-regulating rotary slide valve, which has an adjustable flow duct closure element, is arranged in the inlet region of the flow ducts.

A supercharger includes a first introduction part having a first flow channel; a second introduction part having a second flow channel; a chamber into which the exhaust gas is introduced; an outlet part having one or a plurality of outlet flow channels; and a valve member housed in the chamber. The chamber has a first introduction port that leads to the first flow channel, a second introduction port that leads to the second flow channel, and one or a plurality of outlet ports that lead to the outlet flow channel. A main circulation space is secured. The valve member is capable of opening or closing, and allows two or more opened ports among the first introduction port, the second introduction port, and the outlet port to communicate with each other through the main circulation space.

An aspect includes an offset parallel valve system that includes a first valve body and a first valve disc operably disposed within the first valve body. The offset parallel valve system also includes a second valve body in parallel with the first valve body and a second valve disc operably disposed within the second valve body, where the second valve disc is laterally offset from the first valve disc. A linkage system is operably coupled to the first valve disc and the second valve disc. The linkage system includes an armature coupled to a grooved linkage member having a first groove and a second groove. The first groove delays movement of the second valve disc as the first valve disc rotates, and the second groove controls a rotation angle of the second valve disc.